On Thu, 13 Oct 2011 05:08:36 -0700 (PDT),
wrote:

What is the technical term for the putty that electricians use to seal
around service cables where they enter meter boxes, or pass through
walls?
Ducseal is one brand - often called DUMDUM. It if fireproof. I think
the original stuff had asbestos in it - not sur what is in it now.